English verb conjugation
MAY BUCK

Regular verb: buck - bucked - bucked

Affirmation

Simple form	V-ing form
I may buck you may buck he may buck we may buck you may buck they may buck	I may be bucking you may be bucking he may be bucking we may be bucking you may be bucking they may be bucking
Perfect	V-ing perfect
I may have bucked you may have bucked he may have bucked we may have bucked you may have bucked they may have bucked	I may have been bucking you may have been bucking he may have been bucking we may have been bucking you may have been bucking they may have been bucking

Negation

Simple form	V-ing form
I mayn't buck you mayn't buck he mayn't buck we mayn't buck you mayn't buck they mayn't buck	I mayn't be bucking you mayn't be bucking he mayn't be bucking we mayn't be bucking you mayn't be bucking they mayn't be bucking
Perfect	V-ing perfect
I mayn't have bucked you mayn't have bucked he mayn't have bucked we mayn't have bucked you mayn't have bucked they mayn't have bucked	I mayn't have been bucking you mayn't have been bucking he mayn't have been bucking we mayn't have been bucking you mayn't have been bucking they mayn't have been bucking

Interrogative form

Simple form	V-ing form
may I buck? may you buck? may he buck? may we buck? may you buck? may they buck?	may I be bucking? may you be bucking? may he be bucking? may we be bucking? may you be bucking? may they be bucking?
Perfect	V-ing perfect
may I have bucked? may you have bucked? may he have bucked? may we have bucked? may you have bucked? may they have bucked?	may I have been bucking? may you have been bucking? may he have been bucking? may we have been bucking? may you have been bucking? may they have been bucking?

Interro-negative form

Simple form	V-ing form
mayn't I buck? mayn't you buck? mayn't he buck? mayn't we buck? mayn't you buck? mayn't they buck?	mayn't I be bucking? mayn't you be bucking? mayn't he be bucking? mayn't we be bucking? mayn't you be bucking? mayn't they be bucking?
Perfect	V-ing perfect
mayn't I have bucked? mayn't you have bucked? mayn't he have bucked? mayn't we have bucked? mayn't you have bucked? mayn't they have bucked?	mayn't I have been bucking? mayn't you have been bucking? mayn't he have been bucking? mayn't we have been bucking? mayn't you have been bucking? mayn't they have been bucking?